Drinking straw



FIG. 1 is a bottom, front perspective view of a drinking straw, showing my new design;

FIG. 2 is a top, rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a top plan view of the drinking straw of FIG. 1, shown enlarged for clarity of disclosure;

FIG. 10 is a bottom plan view thereof; and,

FIG. 11 is a bottom, front perspective view of the drinking straw of FIG. 1, shown exploded for clarity of disclosure.

The broken lines in the drawings depict portions of the drinking straw that form no part of the claimed design. 

CLAIM The ornamental design for a drinking straw, as shown and described. 